巧算:6200/(5X31) 25X(40+8)X125 17X34+22X511.7300/300=24……100,如果被除数和除数都除以2,那么商是( ),余数是( )2.( )/25=3……5,如果要使商是4,那么被除数应该增加( ).
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![巧算:6200/(5X31) 25X(40+8)X125 17X34+22X511.7300/300=24……100,如果被除数和除数都除以2,那么商是( ),余数是( )2.( )/25=3……5,如果要使商是4,那么被除数应该增加( ).](/uploads/image/z/6859674-18-4.jpg?t=%E5%B7%A7%E7%AE%97%EF%BC%9A6200%2F%285X31%29+25X%2840%2B8%29X125+17X34%2B22X511.7300%2F300%3D24%E2%80%A6%E2%80%A6100%2C%E5%A6%82%E6%9E%9C%E8%A2%AB%E9%99%A4%E6%95%B0%E5%92%8C%E9%99%A4%E6%95%B0%E9%83%BD%E9%99%A4%E4%BB%A52%2C%E9%82%A3%E4%B9%88%E5%95%86%E6%98%AF%EF%BC%88+%EF%BC%89%2C%E4%BD%99%E6%95%B0%E6%98%AF%EF%BC%88+%EF%BC%892.%28+%29%2F25%3D3%E2%80%A6%E2%80%A65%2C%E5%A6%82%E6%9E%9C%E8%A6%81%E4%BD%BF%E5%95%86%E6%98%AF4%2C%E9%82%A3%E4%B9%88%E8%A2%AB%E9%99%A4%E6%95%B0%E5%BA%94%E8%AF%A5%E5%A2%9E%E5%8A%A0%EF%BC%88%E3%80%80%E3%80%80%EF%BC%89.)
巧算:6200/(5X31) 25X(40+8)X125 17X34+22X511.7300/300=24……100,如果被除数和除数都除以2,那么商是( ),余数是( )2.( )/25=3……5,如果要使商是4,那么被除数应该增加( ).
巧算:6200/(5X31) 25X(40+8)X125 17X34+22X51
1.7300/300=24……100,如果被除数和除数都除以2,那么商是( ),余数是( )
2.( )/25=3……5,如果要使商是4,那么被除数应该增加( ).
巧算:6200/(5X31) 25X(40+8)X125 17X34+22X511.7300/300=24……100,如果被除数和除数都除以2,那么商是( ),余数是( )2.( )/25=3……5,如果要使商是4,那么被除数应该增加( ).
6200/(5X31)=200/5=40
25X(40+8)X125=25*6*1000=150000
25X40+8X125=1000+1000=2000
17X34+22X51=17X34+17X66=17*100=1700
1.
24、50
2.
20
6200/(5X31)
=6200/31/5
=200/5
=40
25X(40+8)X125
=25*6*(8*125)
=150*1000
=150000
17X34+22X51
=17*34+22*3*17
=(34+66)*17
=100*17
=1700
1.7300/300=24...
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6200/(5X31)
=6200/31/5
=200/5
=40
25X(40+8)X125
=25*6*(8*125)
=150*1000
=150000
17X34+22X51
=17*34+22*3*17
=(34+66)*17
=100*17
=1700
1.7300/300=24……100,如果被除数和除数都除以2,那么商是(24 ),余数是( 50 )
2.( )/25=3……5,如果要使商是4,那么被除数应该增加( 25 )。
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